import time
import threading
def get_detail_html(url):
    print('get detail html started')
    time.sleep(2)
    print('get detail html end')


def get_detail_url(url):
    print('get detail url started')
    time.sleep(4)
    print('get detail url end')

if __name__ == '__main__':
    thread1=threading.Thread(target=get_detail_html,args=('',))
    thread2= threading.Thread(target=get_detail_url, args=('',))
    # thread1.setDaemon(True)
    # thread2.setDaemon(True)
    start_time=time.time()
    thread1.start()
    thread2.start()

    thread1.join()
    thread2.join()
    print(f'last time:{time.time()-start_time}')